mirror of
https://github.com/python/cpython.git
synced 2025-11-03 07:01:21 +00:00
100 lines
4.2 KiB
Python
100 lines
4.2 KiB
Python
import pickle
|
|
import pickletools
|
|
from test import support
|
|
from test.pickletester import AbstractPickleTests
|
|
from test.pickletester import AbstractPickleModuleTests
|
|
import unittest
|
|
|
|
class OptimizedPickleTests(AbstractPickleTests, AbstractPickleModuleTests):
|
|
|
|
def dumps(self, arg, proto=None):
|
|
return pickletools.optimize(pickle.dumps(arg, proto))
|
|
|
|
def loads(self, buf, **kwds):
|
|
return pickle.loads(buf, **kwds)
|
|
|
|
# Test relies on precise output of dumps()
|
|
test_pickle_to_2x = None
|
|
|
|
def test_optimize_long_binget(self):
|
|
data = [str(i) for i in range(257)]
|
|
data.append(data[-1])
|
|
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
|
|
pickled = pickle.dumps(data, proto)
|
|
unpickled = pickle.loads(pickled)
|
|
self.assertEqual(unpickled, data)
|
|
self.assertIs(unpickled[-1], unpickled[-2])
|
|
|
|
pickled2 = pickletools.optimize(pickled)
|
|
unpickled2 = pickle.loads(pickled2)
|
|
self.assertEqual(unpickled2, data)
|
|
self.assertIs(unpickled2[-1], unpickled2[-2])
|
|
self.assertNotIn(pickle.LONG_BINGET, pickled2)
|
|
self.assertNotIn(pickle.LONG_BINPUT, pickled2)
|
|
|
|
def test_optimize_binput_and_memoize(self):
|
|
pickled = (b'\x80\x04\x95\x15\x00\x00\x00\x00\x00\x00\x00'
|
|
b']\x94(\x8c\x04spamq\x01\x8c\x03ham\x94h\x02e.')
|
|
# 0: \x80 PROTO 4
|
|
# 2: \x95 FRAME 21
|
|
# 11: ] EMPTY_LIST
|
|
# 12: \x94 MEMOIZE
|
|
# 13: ( MARK
|
|
# 14: \x8c SHORT_BINUNICODE 'spam'
|
|
# 20: q BINPUT 1
|
|
# 22: \x8c SHORT_BINUNICODE 'ham'
|
|
# 27: \x94 MEMOIZE
|
|
# 28: h BINGET 2
|
|
# 30: e APPENDS (MARK at 13)
|
|
# 31: . STOP
|
|
self.assertIn(pickle.BINPUT, pickled)
|
|
unpickled = pickle.loads(pickled)
|
|
self.assertEqual(unpickled, ['spam', 'ham', 'ham'])
|
|
self.assertIs(unpickled[1], unpickled[2])
|
|
|
|
pickled2 = pickletools.optimize(pickled)
|
|
unpickled2 = pickle.loads(pickled2)
|
|
self.assertEqual(unpickled2, ['spam', 'ham', 'ham'])
|
|
self.assertIs(unpickled2[1], unpickled2[2])
|
|
self.assertNotIn(pickle.BINPUT, pickled2)
|
|
|
|
|
|
class MiscTestCase(unittest.TestCase):
|
|
def test__all__(self):
|
|
blacklist = {'bytes_types',
|
|
'UP_TO_NEWLINE', 'TAKEN_FROM_ARGUMENT1',
|
|
'TAKEN_FROM_ARGUMENT4', 'TAKEN_FROM_ARGUMENT4U',
|
|
'TAKEN_FROM_ARGUMENT8U', 'ArgumentDescriptor',
|
|
'read_uint1', 'read_uint2', 'read_int4', 'read_uint4',
|
|
'read_uint8', 'read_stringnl', 'read_stringnl_noescape',
|
|
'read_stringnl_noescape_pair', 'read_string1',
|
|
'read_string4', 'read_bytes1', 'read_bytes4',
|
|
'read_bytes8', 'read_unicodestringnl',
|
|
'read_unicodestring1', 'read_unicodestring4',
|
|
'read_unicodestring8', 'read_decimalnl_short',
|
|
'read_decimalnl_long', 'read_floatnl', 'read_float8',
|
|
'read_long1', 'read_long4',
|
|
'uint1', 'uint2', 'int4', 'uint4', 'uint8', 'stringnl',
|
|
'stringnl_noescape', 'stringnl_noescape_pair', 'string1',
|
|
'string4', 'bytes1', 'bytes4', 'bytes8',
|
|
'unicodestringnl', 'unicodestring1', 'unicodestring4',
|
|
'unicodestring8', 'decimalnl_short', 'decimalnl_long',
|
|
'floatnl', 'float8', 'long1', 'long4',
|
|
'StackObject',
|
|
'pyint', 'pylong', 'pyinteger_or_bool', 'pybool', 'pyfloat',
|
|
'pybytes_or_str', 'pystring', 'pybytes', 'pyunicode',
|
|
'pynone', 'pytuple', 'pylist', 'pydict', 'pyset',
|
|
'pyfrozenset', 'anyobject', 'markobject', 'stackslice',
|
|
'OpcodeInfo', 'opcodes', 'code2op',
|
|
}
|
|
support.check__all__(self, pickletools, blacklist=blacklist)
|
|
|
|
|
|
def test_main():
|
|
support.run_unittest(OptimizedPickleTests)
|
|
support.run_unittest(MiscTestCase)
|
|
support.run_doctest(pickletools)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
test_main()
|